PluginListManager for JUCE

PluginListManager.cpp

#include "PluginListManager.h"

class PluginListManager::Window : public DocumentWindow
{
public:
    Window (PluginListManager* manager)
        : DocumentWindow (
            "Available Plugins", Colours::white,
            DocumentWindow::minimiseButton | DocumentWindow::closeButton)
        , manager_ (manager)
    {
        const File deadMansPedalFile (
            manager_->props_->getUserSettings()->getFile().getSiblingFile ("RecentlyCrashedPluginsList"));

        setContentOwned (
            new PluginListComponent (manager_->formatManager, *manager_->list_, deadMansPedalFile, manager_->props_->getUserSettings(), true), true);

        setResizable (true, false);
        setResizeLimits (300, 400, 800, 1500);
        setTopLeftPosition (60, 60);

        restoreWindowStateFromString (manager_->props_->getUserSettings()->getValue ("listWindowPos"));
        setVisible (true);
    }

    ~Window()
    {
        manager_->props_->getUserSettings()->setValue ("listWindowPos", getWindowStateAsString());

        clearContentComponent();
    }

    void closeButtonPressed() override
    {
        manager_->window_ = nullptr;
    }

private:
    PluginListManager* manager_;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Window)
};

PluginListManager::PluginListManager (KnownPluginList* list, ApplicationProperties* props)
    : list_ (list), props_ (props)
{
    {
        ScopedPointer<XmlElement> savedPluginList (props->getUserSettings()->getXmlValue ("pluginList"));
        if (savedPluginList != nullptr)
            list->recreateFromXml (*savedPluginList);
    }

    formatManager.addDefaultFormats();
    list_->addChangeListener (this);
}

PluginListManager::~PluginListManager()
{
    list_->removeChangeListener (this);
}

void PluginListManager::changeListenerCallback (ChangeBroadcaster* source)
{
    jassert (source == list_);
    ScopedPointer<XmlElement> savedPluginList (list_->createXml());
    if (savedPluginList != nullptr)
    {
        props_->getUserSettings()->setValue ("pluginList", savedPluginList);
        props_->saveIfNeeded();
    }
}

void PluginListManager::showWindow()
{
    if (DocumentWindow* win = window_)
        win->toFront (true);
    else
        window_ = new Window (this);
}

PluginListManager.h

#ifndef PLUGINLISTWINDOW_H_INCLUDED
#define PLUGINLISTWINDOW_H_INCLUDED

#include "JuceHeader.h"

class PluginListManager : private ChangeListener
{
public:
    // The constructor loads the saved list,
    // relying on the ApplicationProperties to be initialized.
    PluginListManager (KnownPluginList*, ApplicationProperties*);
    ~PluginListManager();

    void showWindow();

    AudioPluginFormatManager formatManager;

private:
    class Window;

    void changeListenerCallback (ChangeBroadcaster*) override;

    KnownPluginList* list_;
    ApplicationProperties* props_;
    ScopedPointer<DocumentWindow> window_;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PluginListManager)
};

#endif  // PLUGINLISTWINDOW_H_INCLUDED